明挖地铁车站深基坑围护结构变形规律研究

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Research and Analysis of Deformation in Retaining Structures of Deep Foundation Engineering

1. The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing 100124, China;
2. Beijing Key Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China

摘要: 随着城市地下空间的发展,地铁建设的兴起,明挖深基坑围护结构的变形直接影响着工程造价及周围建筑物的安全使用。以深圳地铁二号线东沿线的一个换乘车站—景田站深基坑为工程依托,采用现场实测和软件模拟计算的方法,研究"地下连续墙+钢支撑"这一围护结构在深基坑施工中的变形规律,为深圳地区类似深基坑工程的围护结构优化设计和科学施工提供参考。
- 深基坑 /
- 地下连续墙 /
- 围护结构变形 /
- 现场监测
Abstract: With the development of urban underground space,especially the construction of subway,Deep Foundation Pit engineering of deformation and the structure directly affect the project construction cost and the safe use of surrounding buildings. This paper takes deep foundation pit engineering of shenzhen metro line 2 east along of a transfer station - JingTian for example. By the field monitoring and the method of software simulation calculation,Analyze the deformation law of the retaining structure (Diaphragm wall + steel supports) in deep foundation pit construction,Provide the reference for optimization design and scientific construction of deep foundation pit engineering and similar retaining structure of shenzhen area.
- deep foundation pit engineering /
- diaphragm wall /
- deformation of retaining structures /
- field monitoring